On 26.03.2018 11:27, Anand Jain wrote:
> In preparation to add the superblock csum verification for the
> scan context, make btrfs_check_super_csum() non-static.
>
> Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx>
> ---
> fs/btrfs/disk-io.c | 2 +-
> fs/btrfs/disk-io.h | 1 +
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
> index 8b4e602ed60a..6299ab18da5f 100644
> --- a/fs/btrfs/disk-io.c
> +++ b/fs/btrfs/disk-io.c
> @@ -395,7 +395,7 @@ static int verify_parent_transid(struct extent_io_tree *io_tree,
> * Otherwise: -EINVAL if csum type is not found
> * -EUCLEAN if csum does not match
> */
> -static int btrfs_check_super_csum(char *raw_disk_sb)
> +int btrfs_check_super_csum(char *raw_disk_sb)
> {
> struct btrfs_super_block *disk_sb =
> (struct btrfs_super_block *)raw_disk_sb;
> diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
> index 70a88d61b547..c400cc68f913 100644
> --- a/fs/btrfs/disk-io.h
> +++ b/fs/btrfs/disk-io.h
> @@ -69,6 +69,7 @@ int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors);
> struct buffer_head *btrfs_read_dev_super(struct block_device *bdev);
> int btrfs_read_dev_one_super(struct block_device *bdev, int copy_num,
> struct buffer_head **bh_ret);
> +int btrfs_check_super_csum(char *raw_disk_sb);
> int btrfs_commit_super(struct btrfs_fs_info *fs_info);
> struct btrfs_root *btrfs_read_fs_root(struct btrfs_root *tree_root,
> struct btrfs_key *location);
>
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